Plasma processes are fundamental to modern semiconductor manufacturing, enabling the precise etching and deposition required for next-generation devices. These aggressive environments place immense stress on sealing components, demanding exceptional purity and chemical compatibility to maintain process integrity and prevent contamination.
Explore our high-performance sealing solutions used in critical plasma applications and identify the seal locations most relevant to your process.
Explore our high-performance sealing solutions used in critical plasma applications and identify the seal locations most relevant to your process.
Gas Injector Seals
Isolast® PureFab® JPF10
Isolast® PureFab® JPF20
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Showerhead Seals
Isolast® PureFab® JPF10
Isolast® PureFab® JPF20
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Chamber Lid Seals
Isolast® PureFab® JPF10
Isolast® PureFab® JPF20
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Window/Viewport Seals
Isolast® PureFab® JPF10
Isolast® PureFab® JPF22
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E-Chuck Seals
Isolast® PureFab® JPF10
Isolast® PureFab® JPF30
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Subfab Processes
Isolast® PureFab® JPF10
Isolast® PureFab® JPF20
Isolast® PureFab® JPF30
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Isolast®K-Fab™
Isolast® K-Fab™ Flange Seal Find out more about lsolast® PureFab®
Slit Valve Doors
Isolast® PureFab® JPF10
Isolast® PureFab® JPF20
Isolast® PureFab® JPF30
Isolast® PureFab® JPF40
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Wafer Support and Transfer Pads
Isolast® PureFab® JPF10
Isolast® PureFab® JPF22
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Process Precursor Canister Seals
Isolast® PureFab® JPF10
Isolast® PureFab® JPF40
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Process Gas Delivery Valve Seals
Isolast® PureFab® JPF10
Isolast® PureFab® JPF20
Isolast® PureFab® JPF22
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Main Chamber Body Seals
Isolast® PureFab® JPF10
Isolast® PureFab® JPF22
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- Resistance against all process gases
- High purity
- Long-term reliability
Isolast® PureFab® JPF10
Isolast® PureFab® JPF20
Find out more about lsolast® PureFab®
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Showerhead Seals
- Extremely high plasma resistance
- Best-in-class purity
- Low trace metal contenty
Isolast® PureFab® JPF10
Isolast® PureFab® JPF20
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Chamber Lid Seals
- Ultra-low particle generation
- Extremely high plasma resistance
- Best-in-class outgassing performance
Isolast® PureFab® JPF10
Isolast® PureFab® JPF20
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Window/Viewport Seals
- Ultra-low outgassing performance
- Available in various sizes and shapes
Isolast® PureFab® JPF10
Isolast® PureFab® JPF22
Find out more about lsolast® PureFab®
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E-Chuck Seals
- Ultra-low particle generation
- Extremely high plasma resistance
- Best-in-class purity
Isolast® PureFab® JPF10
Isolast® PureFab® JPF30
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Subfab Processes
These processes, including vacuum pump and abatement applications, require seals that offer:
- Excellent high-temperature performance
- Outstanding chemical compatibility
- Long sealing life
Suitable Materials:
Isolast® PureFab® JPF21
Isolast® PureFab® JPF40
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Deposition Process
These processes require seals that offer:
- Market-leading outgassing properties
- Suitable for use with aggressive precursor chemicals
- Excellent thermal stability
- Ultra-high leading purity
Suitable Materials:
Isolast® PureFab® JPF10
Isolast® PureFab® JPF21
Isolast® PureFab® JPF40
Find out more about lsolast® PureFab®
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Dry Etch Process
These processes require seals that offer:
- Excellent plasma resistance
- Outstanding plasma crack resistance
- Low particulation
- Market-leading purity
Isolast® PureFab® JPF10
Isolast® PureFab® JPF20
Isolast® PureFab® JPF30
Find out more about lsolast® PureFab®
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Isolast®K-Fab™
- Error-proof Assembly
A puzzle-shaped connection holds the seal on to the metal insert during handling and assembly - High Temperature Capability
Wide selection of materials enables high-temperature applications up to +327 °C/+621 °F - Superior Sealing Performance
When compressed, the puzzle-shaped design acts as a retention mechanism and increases the axial sealing force when energized - Long Service Life
Double-acting sealing profile increases the sealing performance, especially with varying pressure/vacuum conditions - No Overfill or Extrusion
Compared to an O-Ring, K-Fab™ has significantly less rubber volume which prevents overfill and extrusion due to thermal expansion
Isolast® K-Fab™ Flange Seal Find out more about lsolast® PureFab®
Slit Valve Doors
- Long-term sealing integrity
- Excellent plasma resistance
- Best-in-class outgassing performance
Isolast® PureFab® JPF10
Isolast® PureFab® JPF20
Isolast® PureFab® JPF30
Isolast® PureFab® JPF40
Find out more about lsolast® PureFab®
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Wafer Support and Transfer Pads
- Low stiction
- Best-in-class purity
- Various shapes and designs available
Isolast® PureFab® JPF10
Isolast® PureFab® JPF22
Find out more about lsolast® PureFab®
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Process Precursor Canister Seals
- Low permeation
- High purity
Isolast® PureFab® JPF10
Isolast® PureFab® JPF40
Find out more about lsolast® PureFab®
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Process Gas Delivery Valve Seals
- Compatible with all process gases
- High purity
- Long-term reliability
Isolast® PureFab® JPF10
Isolast® PureFab® JPF20
Isolast® PureFab® JPF22
Find out more about lsolast® PureFab®
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Main Chamber Body Seals
- Ultra-low outgassing performance
- Low permeation
- Full range of sizes including Fleximold™ large diameter seals
Isolast® PureFab® JPF10
Isolast® PureFab® JPF22
Find out more about lsolast® PureFab®
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Match plasma conditions to the right sealing selection criteria
Different semiconductor process conditions have different impacts on the sealing solution. There are various parameters to be evaluated, depending on the process condition and the application. This overview gives an idea of what our polymer experts will investigate together with you to make educated sealing decisions.
| Process condition | Sealing challenges | What to evaluate |
|---|---|---|
| Reactive plasma chemistry | Chemical attack, erosion or volatile by-products | Material compatibility and comparative plasma resistance |
| Energetic ion exposure | Physical sputtering and surface damage | Seal location, exposure mode and erosion behavior |
| Elevated temperature | Loss of sealing force or permanent deformation | Thermal capability and compression-set behavior |
| High vacuum | Leakage and outgassing risk | Seal design, surface condition, material purity and vacuum performance |
| Repeated cleaning cycles | Cumulative chemical, thermal and mechanical degradation | Production and cleaning recipes across the full maintenance cycle |